{Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type [Mn2O8]n-, e.g. (LaSr3)Mn2O8}
{Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type [Mn2O8]n-, e.g. (LaSr3)Mn2O8}